Question

Решить неравенство
-2(3x+1)<=-(7+8x)

Answer 1

$-2(3x+1) leq -(7+8x)$
$-6x-2 leq -7-8x$
$-6x+8x leq -7+2$
$2x leq -5$
$x leq -2,5$